B 715G7805 Ssb - Philips 24PHG4032 Service Manual

8.2 B 715G7805 SSB

8-2-1 System Power
CN701
FB703 120R 6A
Pre_12V 2 1 Pre_12V 1
4 3 1
Pre-12V_AMP Pre-12V_AMP
6 5
FB701 120R 6A
8 7
AC_DET# 10 9 STANDBY
12 11
INVERTER_ON_OFF BRIGHT_ADJ
CONN
12V TO 5VSB
C742
100pF 50V
R1
R747 100K 1%
U706
C743
R748
R2
1 6
13K 1/10W
FB BS
0.1uF 50V
2 5
R749
EN LX
36K 1% 4.7uH
3 4
GND IN
SY 8104ADC
C723
C745 NC/ 2.2UF
1uF 16V
R751 40.2K 1/16W 1%
ZD701
1 2
NC/ LUDZS5.1BT1G
CORE POWER 1.2V
+5VSB
U703
M5723B-33F61U
8 10
IN1 LX
C712
2.2UF
10K +-1% 1/16W
1 3
PS_ON
EN1 FB1
6
IN2
C713 R714
1uF 16V 10K +-1% 1/16W
5 7
EN2 OUT2
ZD703
NC/ BZT52-B3V6
3V3SB
R738
4.7K 1/16W
+12V
2
2
12V_AMP
Main power On/Off control
R705
LO = > POWER_ON
PS_ON
HI = > POWER_OFF
1K 1/16W 1%
Q708
PS_ON /STAND BY BC847C
H = > POWER_ON R739
L = > DC_OFF 4.7K 1/16W
Vout = 0.6x(1+100/13)=5.21V
+5VSB
L703 3.3A
+12V C746 C747 +
22UF 10V 22UF 10V
100UF 16V
7/10
AC Detect
AC_DET# AC_DET
R704
100R 1/16W 5%
C705
100NF 16V
AC _D ET
H = > AC_ON
L = > AC_OFF_DET
AVDD1V2
VCCK
L702
1 2
2.2uH FB702
120R 6A
R717 C714 C730
NC/100N 16V 10UF 6.3V 20%
R1
R2
3V3SB R718
10K +-1% 1/16W
C710
4.7UF 10% 10V
+5V Switch
+5VSB
90mil
R709
22K 1%
OPWRSB
VCCK R710
51K 1/16W 5%
R713
Q703
2.2K 1% LMBT3904LT1G
C708
NC/4.7UF 10% 10V
+5V_SW
FB706
1 2
120R 3A
C721
2.2UF
C748
INVERTER ON/OFF
INVERTER_ON_OFF
INVERTER ON /OFF
H: ON
L: OFF
MMBT3904
6/17
BRIGHT ADJUST
B L_DIMMIN G
M ax:3.3V
M in: 0V
BRIGHT_ADJ
R785
100R 1/10W 5%
5/28
+5V_SW
4,5,6,7,8,9,10,11,12,13,14,15,16,17,18
CO-LAY
9,10,11,12,15
7,9,16
4,8,10,13,14,15
Q702
C706
4,5,6,8,9,10,11,13,15,16,17,18
1 8
1UF 10V
S D
2 7
S D 8,13,15
3 6
S D
4 5
G D
NC SM4310PSKC
+
C707
Control Interface
+5VSB 100UF 16V
4
14
14
Q701 +5V_SW
10
AO3401A
10
U705
L701
1 5
VIN LX
2
R1
2.2UH
GND
3 4
EN VFB
R729
C722
G5695T11U
82K 1% 10UF 6.3V 20%
R730 R2
18Kohm 1/16W +/-1%
R706
Vout = 0.6x(1+R1/R2)=3.3V
100K 1%
DVDD3V3
3V3SB
BL_ON/OFF
R779 R778
1K 1/16W 5% 4.7K 1/16W
R780 BL_ON/OFF
Q707 4.7K 1/16W
Low active
DVDD3V3
3V3SB
BL_DIMMING
R786
1K 1/16W 5%
R787
4.7K 1/16W
R788
BL_DIMMING
Q705
MMBT3904 4.7K 1/16W
Low active
GND
12V_AMP
6 12V_AMP
10 +12V +12V
+5V_SW
+5V_SW
+5VSB
+5VSB
3V3SB 3V3SB
DVDD3V3
DVDD3V3
AVDD1V2
AVDD1V2
17 VCCK VCCK
OPWRSB
OPWRSB
BL_DIMMING
BL_DIMMING
BL_ON/OFF
BL_ON/OFF
AC_DET
AC_DET
AC_Of f
AC_Of f
DVDD3V3
+ ZD702
C731 C719 BZT52-B3V6
100NF 16V 100UF 16V
INVERTER_ON_OFF
R722
NC 0R05 1/16W
R724 C725
NC 10K +-1% 1/16W NC/10UF 10V
BRIGHT_ADJ
R723
NC 100R 1/16W 5%
R725 C726
NC 10K +-1% 1/16W NC/22uF 10V